Wikipedia

Aisin AF33 transmission

The Aisin AW AF33 is a 5-speed automatic transaxle developed and manufactured in Anjo, Japan by Aisin AW, a division of Aisin. It is designed to be used in transverse engine configurations in both FWD and AWD configurations.

The actual model codes are AW55-50SN and AW55-51SN. Manufactures have sometimes chosen own designations such as AF23, AF33[1] or AF33-5 (GM),[2] RE5F22A (Nissan and Infiniti)[3] or SU1 (Renault).[4] Other manufacturers use the original designation(s) or minor variations of it such as AW55-50 LE[5] (Volvo), AW 55-51 LE [6] (Opel) and FA57[7][8][9] (Saab).

Maintenance edit

Several manufacturers[10] list the transmission in their owners manuals as fill for life, meaning that there are no scheduled transmission fluid changes under normal operating conditions.

Transmission experts recommend regular fluid changes for severe driving condition, every 80,000 km (50,000 mi). Specific fluid must be used. If incorrect fluid is used it could result in improper operation and lead to transmission damage.

Aisin recommends to follow the scheduled maintenance. A badly done oil change can destroy the transmission.

Reliability edit

Some AF33 transmissions – specifically the variants used in Volvo vehicles – were very unreliable, with failures occurring within 80,000 km (50,000 mi) on some vehicles. Volvo eventually released an upgrade package to address the issue.[11]

Fluid edit

Fluid must meet the JWS 3309 specification. The fluid can be found under varying designations.

GM Saturn: Aisin AF23/33-5 type T-IV P/N 88900925 (in Canada, P/N 22689186). Volvo AW55-50/51SN P/N 1161540-8. Nissan RE5F22A Nissan Matic "K" Fluid capacity 8.2 qt. (7.8L) Synthetic.

Exxon/Mobil manufactures a specific synthetic mineral fluid for this transmission simply called "3309".[12]

Applications edit

Ford Motor Company

Ford

General Motors

Chevrolet
Opel / Vauxhall[1]
Pontiac
Saab
Saturn

Lancia

Nissan

Renault

Suzuki

Volvo

See also edit

Notes edit

  1. ^ 3.4L engine only
  2. ^ V6 3.2, 2.0 vcdi
  3. ^ L6 2.0L, L6 2.5L petrol, 2.0 vcdi
  4. ^ select engines only
  5. ^ select engines only
  6. ^ 3.4L engine only
  7. ^ V6 only
  8. ^ Sedan only
  9. ^ V6 and 2.2dci
  10. ^ Non turbo petrol only
  11. ^ Non turbo petrol and R AWD model only

References edit

  1. ^ a b c d Tobias Hartmann (27 October 2009). "AF23 33". www.opel-infos.de (in German). Archived from the original on 2012-01-30. Retrieved 2017-09-27.
  2. ^ General Motors Corporation (2004). "Aisin AF 33-5 Automatic Transaxle Introduction" (PDF). www.amawebs.com. Archived from the original (PDF) on 2016-03-04. Retrieved 2017-09-27.
  3. ^ a b Lance Wiggins (October 2008). "Let's Play Ball: Understanding the Diagnostics for Nissan's RE5F22A 5-speed" (PDF). www.atraonline.com. pp. 44–51. Archived (PDF) from the original on 2016-03-04. Retrieved 2017-09-27.
  4. ^ a b "Renault SU1" (PDF). Retrieved 2017-09-27.[permanent dead link]
  5. ^ a b Volvo Car Corporation (2003). "2004 Volvo C70". new.volvocars.com. p. 129. Archived from the original on 2011-10-05. Retrieved 2017-09-27.
  6. ^ a b Tobias Hartmann (2 May 2014). "AW55". www.opel-infos.de (in German). Archived from the original on 2015-04-14. Retrieved 2017-09-27.
  7. ^ unclemiltie (2 January 2013). "Transmissions - which one?". www.saabcentral.com. p. 1. Archived from the original on 2016-03-04. Retrieved 2017-09-27.
  8. ^ SaabWorld (username) (2 January 2013). "Transmission type, manufacture date and serial numbers - Saab 9-5". saabworld.net. Archived from the original on 2016-03-06. Retrieved 2017-09-27.
  9. ^ "AW-BW AW 55-50SN, RE5F22A, AF33-5". www.makcotransmissionparts.com. Archived from the original on 2016-03-08. Retrieved 2017-09-27.
  10. ^ a b Ivo Maynicke. "Spülung des Automatikgetriebes nach der Tim Eckardt Methode". www.thesis-treffen.de (in German). Archived from the original on 2017-03-16. Retrieved 2017-09-27.
  11. ^ david87 (2011-12-24). "A Complete Guide to S60 Transmission Shift Flares, Slipping or Missing Gears". Volvo forums.{{cite web}}: CS1 maint: numeric names: authors list (link)
  12. ^ "Products & Services: Mobil 1™". ExxonMobil. Archived from the original on 2014-01-02. Retrieved 2017-09-27.
  13. ^ a b c d "FWD Transmissions available on GM vehicles" (PDF). www.xtremethings.com. pp. 1–2. Archived from the original (PDF) on 2017-04-15. Retrieved 2017-09-27.
  14. ^ a b c d e f g h i j Automatik Getriebe Faupel GmbH (2014). "Aisin Warner AW 55-50" (PDF). www.automatik-getriebe-berlin.de (in German). Archived from the original (PDF) on 2016-02-07. Retrieved 2017-09-27.
  15. ^ Saab Automobile AB (2003). "Owner's Manual Saab 9-3 M2004" (PDF). saabinfo.net. p. 273. Archived (PDF) from the original on 2014-12-28. Retrieved 2017-09-27.
  16. ^ a b Volvo Car Corporation (1999). "2000 Volvo S & V70". new.volvocars.com. p. 137. Archived from the original on 2006-10-22. Retrieved 2017-09-27.
  17. ^ Volvo Cars of North America (1999). "2000 Volvo V70 specs". new.volvocars.com. Archived from the original on 2008-06-19. Retrieved 2017-09-27.
  18. ^ a b Volvo Car Corporation (2003). "2004 Volvo S40 & V40". new.volvocars.com. p. 125. Archived from the original on 2017-02-27. Retrieved 2017-09-27.
  19. ^ Volvo Car Corporation (2006). "2007 Volvo S60". new.volvocars.com. p. 202. Archived from the original on 2007-12-16. Retrieved 2017-09-27.
  20. ^ Volvo Car Corporation (2002). "2003 Volvo S60". new.volvocars.com. p. 154. Archived from the original on 2007-03-17. Retrieved 2017-09-27.
  21. ^ a b c d e f g h i Volvo Cars of North America (2009). "Tech Doc". Archived from the original on 2016-03-04. Retrieved 2017-09-27.
  22. ^ Volvo Car Corporation (1999). "2000 Volvo S80". new.volvocars.com. p. 121. Archived from the original on 2007-06-21. Retrieved 2017-09-27.
  23. ^ Volvo Car Corporation (2003). "2003 Volvo XC90". new.volvocars.com. p. 152. Archived from the original on 2017-02-10. Retrieved 2017-09-27.
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